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CVE-2026-75949— Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3

Quick assessment

Affected
cmsjunkie.com J-BusinessDirectory extension for Joomla
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 插件 cmsjunkie.com - J-BusinessDirectory（版本低于 6.2.3）中存在任意文件上传/删除（路径遍历）漏洞。该组件允许通过客户端控制的参数（_path_type 可指向组件的 site/admin 目录树）进行文件上传或移除，且未强制实施路径 containment 检查，同时仅使用弱校验机制验证扩展名。此外，在上传和删除操作中也缺少 CSRF 令牌保护。

CVSS 10.0 · Critical EPSS 0.31% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
cmsjunkie.com J-BusinessDirectory extension for Joomla 1.0.0-6.2.2 affected
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I. Basic Information for CVE-2026-75949

Vulnerability Information
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Vulnerability Title
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 - Upload/remove accepted a client-controlled root (_path_type could point at the component site/admin trees), did not enforce path containment, and used a weak extension check. CSRF token was also missing on upload/remove.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
cmsjunkie.com J-BusinessDirectory extension for Joomla 1.0.0-6.2.2 -

II. Public POCs for CVE-2026-75949

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 11011 chars
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-75949

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Security Blog Posts for CVE-2026-75949 (1)

Same Patch Batch · cmsjunkie.com · 2026-08-19 · 8 CVEs total

CVE-2026-75954 9.3 CRITICAL Joomla Extension - cmsjunkie.com - SQL injection in trips search in J-BusinessDirectory <
CVE-2026-75956 8.7 HIGH Joomla Extension - cmsjunkie.com - DOS vector in pagination parameter handling in J-Busine
CVE-2026-75951 6.9 MEDIUM Joomla Extension - cmsjunkie.com - Insecure Direct Object Reference (multiple frontend/AP
CVE-2026-75950 6.9 MEDIUM Joomla Extension - cmsjunkie.com - Unauthenticated listing ownership takeover in J-Busines
CVE-2026-75955 5.1 MEDIUM Joomla Extension - cmsjunkie.com - Reflected XSS / XML injection in J-BusinessDirectory <
CVE-2026-75952 4.6 MEDIUM Joomla Extension - cmsjunkie.com - Cross-site request forgery in J-BusinessDirectory < 6.
CVE-2026-75953 Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3

IV. Related Vulnerabilities

Same product: J-BusinessDirectory extension for Joomla
Same vendor: cmsjunkie.com
Same weakness: CWE-434

V. Comments for CVE-2026-75949

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